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POHow to handle OnClick command of UserControl using command in Windows Phone 8
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  1. POHow to handle OnClick command of UserControl using command in Windows Phone 8
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    copied!<p>I want to handle some <code>Button.Click</code> events in a page that implements a <code>UserControl</code>.</p> <p>The <code>UserControl</code> looks like this:</p> <pre class="lang-xml prettyprint-override"><code>&lt;UserControl&gt; &lt;Grid x:Name="LayoutRoot" Background="Transparent"&gt; &lt;Button Command="{Binding ButtonClickedCommand, Source={RelativeSource Self}}" /&gt; &lt;/Grid&gt; &lt;/UserControl&gt; </code></pre> <p>and the code behind:</p> <pre class="lang-cs prettyprint-override"><code>public partial class MapUserControl : UserControl { public MapTabBar() { InitializeComponent(); } public ICommand ButtonClickedCommand { get { return (ICommand)GetValue(ButtonClickedCommandProperty); } set { SetValue(ButtonClickedCommandProperty, value); } } public static readonly DependencyProperty ButtonClickedCommandProperty = DependencyProperty.Register( "ButtonClickedCommandProperty", typeof(ICommand), typeof(MapTabBar), new PropertyMetadata(null)); } </code></pre> <p>I use this <code>UserControl</code> in my <code>MainPage.xaml:</code></p> <pre class="lang-xml prettyprint-override"><code>&lt;Grid x:Name="LayoutRoot" Background="Transparent"&gt; &lt;maps:Map x:Name="Map" ZoomLevel="7" /&gt; &lt;local:MapUserControl ButtonClickedCommand="{Binding ???}" /&gt; &lt;/Grid&gt; </code></pre> <p>How do I bind this <code>ButtonClickedCommand</code> to my function in the <code>MainPage.xaml.cs</code>:</p> <pre class="lang-cs prettyprint-override"><code> protected void Button_Clicked() { MessageBox.Show("button clicked"); } </code></pre> <p>Ultimately I want to manipulate the Map in my MainPage (center something, filter, reload). Is this the right approach – or is there another way?</p>
 

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